In the same world where there are over 1.4 billion Internet users, another 1.4 billion people live below the extreme poverty line as defined by the World Bank. A field called "information and communication technologies for development" (ICT4D) has sought to find ways to apply modern electronic technologies - the Internet, the PC, the mobile phone, and other technologies - to support the socio-economic growth of the world's poorest communities. Are there patterns of technology usage that are consistent across developing countries? Can you keep five rural schoolchildren from fighting over one...